[WIP] Proposal: Standardize file names to the format <verb>[Context]

[Allianaab2m]

What does this PR do?

これは提案段階のPull Requestです．

• モデルおよびサービスのファイル名の形式を変更できるものに関して<verb>[Context].tsに統一
• クラス名の形式を<Verb>Serviceに統一
• FetchServiceなど，外部Moduleからimportしたときに名前が被る場合は，Fetch<Domain>Serviceとなるようにimport aliasを付ける

Additional information

ref:

• https://linear.app/pulsate/issue/DEV-185/

[codecov]

Codecov Report

Attention: Patch coverage is 49.36709% with 40 lines in your changes are missing coverage. Please review.

Project coverage is 46.62%. Comparing base (0cbecc8) to head (050e049).
Report is 70 commits behind head on main.

Files	Patch %	Lines
pkg/notes/mod.ts	0.00%	16 Missing ⚠️
pkg/accounts/mod.ts	0.00%	12 Missing ⚠️
pkg/accounts/adaptor/controller/account.ts	71.42%	8 Missing ⚠️
pkg/notes/adaptor/controller/note.ts	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #251      +/-   ##
==========================================
+ Coverage   45.72%   46.62%   +0.90%     
==========================================
  Files          37       38       +1     
  Lines        4074     4124      +50     
  Branches      256      271      +15     
==========================================
+ Hits         1863     1923      +60     
+ Misses       2211     2201      -10     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[nanai10a]

• 外部モジュールからの import を再命名するという部分は網羅的に見ていないので修正はたまたま見つけた 1 点のみですが, 多分他にもあるのかなーと見ています

[Allianaab2m]

close. #373